英语词汇existence of patents怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	existence of patents
释义	existence — 存在 existence n — 生存 n patents pl — 专利 n • 专利权 pl • 专利 pl existent — 现存 of — 的 patent n — 专利权 n patent adj — (坏的事物)显而易见的 adj patent v — 得到...的专利权 v
随便看	pre-production design pre-production environment pre-production exploration pre-production parts pre-production phase pre-production planning pre-production processing preproduction prototype pre-production run pre-production sample preproduction series pre-production stage pre-production test pre production testing pre-professional pre-profiled pre-programmed services pre-programmed setting preprogrammed software pre-programmed times pre-project pre-project analysis pre-proposal prep school Prep-set

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

existence —